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TRUSTED BY LITCHFIELD, SC HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon305
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Litchfield - Updated Nov 2026

Avatar for Quality Air & Insulation
Quality Air & Insulation
4.8(
140
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallAir Ducts & Vents - Clean+24 more

Serving Litchfield, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"We got 3 quotes , they had the best price for duct cleaning , honest , up front pricing , quick service. Couldnâ t recommend better. We noticed within a month iin our air quality and electrical bill.! Recommend to everyone for hvac needs and duct cleaning."
Duct cleaning machine
RUUD Commercial Unit
RUUD Commercial Unit
RUUD Commercial Unit
RUUD Residential Package Unit

+14

Response time8 hrs
Response rate96%
62 neighbors recently requested a quote
Avatar for Heat Pumps Plus
Heat Pumps Plus
5.0(
176
)
Heat Pump - Repair or Service

Serving Litchfield, SC and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Darrin and Reed were professional, responsive, efficient and courteous in all aspects of our transaction. I highly recommend them for repairs or installation of HVAC system."
Condenser Diagnostics
Heat Pump Installation
Air Handler Inspection
Field Service
Field Service

+2

Response time4 hrs
Response rate96%
Recommended by90%of homeowners
Avatar for Four Star Plumbing & Air Conditioning Services, Inc.
Four Star Plumbing & Air Conditioning Services, Inc.
4.6(
17
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallDuctless Mini-split A/C - Install or Replace+15 more

Serving Litchfield, SC and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Had a wonderful experience with the gentleman that came out to fix my air unit. It was not actually the unit itself, but the ductwork that goes from one side of the house to the other was in terrible condition. Definitely needed repair. Holes in it big enough to put a clothes basket in it was no wonder that It was amazing. Their service is great so I would definitely recommend them to anybody that had air-conditioning problems or plumbing problems. If I had a chance to give them a 10 instead of a five, I would definitely give them 10 stars. Thanks again guys."
Bathroom in progress
Finished bathroom
A/H Installation
Bosch
Package System

+3

Response time1 day
Response rate88%
83 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

Unfortunately, a freon leak will persist even when your AC unit is off. The freon in the AC unit is under pressure no matter the status of the system, so it will continue to drip through the leak even when you shut off the entire unit. It will continue to leak freon until it’s completely empty.

It’s normal to hear a low humming sound as air moves through your vents. Most of the time, you probably won’t even notice it. However, if that sound becomes disruptive or if you hear more concerning noises (such as rattling, clicking, banging, hissing, or grinding), there might be a problem with your HVAC system.

Yes, you can put an AC unit on the roof of your home or commercial building. For proper installation, you’ll need to ensure the roof surface is flat, it’s accessible for maintenance and cleaning, and an AC installation pro agreed that your home is a candidate for package units. Don’t forget to consider the climate in your area, as homes that experience frequent tropical storms or hurricanes may not benefit from this type of system.

Your central A/C unit should be professionally serviced and inspected at least once a year to ensure it operates properly and efficiently. This is best done before the peak cooling season. A full-service inspection by a qualified pro will typically include checking safety components for issues like carbon monoxide leaks, verifying cooling components and coolant levels, and inspecting electrical parts like fuses and wiring. Regular servicing enhances efficiency, mitigates potential problems, and maintains optimal performance. Because AC systems contain hazardous refrigerant, professional handling is essential.

Some AC filters, known as reusable filters, can be cleaned and reinserted. Most AC filters, however, are disposable and cannot be cleaned. 

The Litchfield, SC homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.